.btn{
    width: 70px;
    height: 30px;
    margin-left: 30px;
    border: none;
    background: #17a2ff;
    color: #fff;
    border-radius: 15px;
}

.box20{
    margin-top: 20px;
    border-bottom: 1px solid #ccc;
    display: flex;
    .box21{
        margin-left: 5px;
    }
    p{
        line-height: 25px;
    }
}